{"instruction": "You are an expert in relationship extraction. Please extract relationship triples that match the schema definition from the input. Return an empty list for relationships that do not exist. Please respond in the format of a JSON string.", "schema": ["company founded place", "ethnicity", "neighborhood of", "place of birth"], "input": "The memo does not address two other Democratic challengers for mayor : Charles Barron , a city councilman from Brooklyn , and C. Virginia Fields , the Manhattan borough president ."}
{"company founded place": [], "ethnicity": [], "neighborhood of": [], "place of birth": []}